The most I was able to do at one time over the years without making Screencast freak out on me was 6 files at a time. This was doable, but to be able to download more would be convenient, then I could start the download and let it run after hours.

No, I want to stop my subscription to screencast and use an alternative web hosting because I am not happy with the new changes and the frequent happenings of videos not loading and my students getting frustrated because it is inconsistent and not reliable. I would like to download all of my videos so that I can easily move them.

I'm sorry to hear that. In the short term, you'd have to download them one at a time. We will be making improvements to this in the future. And are investigating it.

The main goal for the most recent changes have been to improve the viewing experience for your viewers (in your case your students). If you'd be willing to chat about what is causing you to move, I'd love to connect and understand your issues. But I totally understand if you're not interested as well.